Donald W. MacLennan

Research in Instructional Television: Summaries of Studies.

J. Christopher Reid, Donald W. MacLennan, 1967 .

RESEARCH IN INSTRUCTIONAL TELEVISION AND FILM.

J. Christopher Reid, Donald W. MacLennan, 1967 .

Research in instructional television and film : summaries of studies

J. Christopher Reid, Donald W. MacLennan, Leslie P. Greenhill, 1967 .